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Structure of plastidial phosphorylase Pho1 from Barley

X-ray diffraction
2.7Å resolution
PDB entry 5lr8 coloured by chain, front view.
PDB entry 5lr8 coloured by chain, side view.
PDB entry 5lr8 coloured by chain, top view.
Source organism: Hordeum vulgare subsp. vulgare
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Alpha-1,4 glucan phosphorylase
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Multimeric state: homo dimer
Accessible surface area: 60371.92 Å2
Buried surface area: 6692.26 Å2
Dissociation area: 2,361.2 Å2
Dissociation energy (ΔGdiss): 17.64 kcal/mol
Dissociation entropy (TΔSdiss): 16.09 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-123371
Assembly 2
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Assembly Name: Alpha-1,4 glucan phosphorylase
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Multimeric state: homo dimer
Accessible surface area: 60632.72 Å2
Buried surface area: 5767.24 Å2
Dissociation area: 2,345.95 Å2
Dissociation energy (ΔGdiss): 16.81 kcal/mol
Dissociation entropy (TΔSdiss): 16.08 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-123371

Macromolecules

Alpha-1,4 glucan phosphorylase
Chains: A, B
Length: 938 amino acids
Theoretical weight: 106.01 KDa
Source organism: Hordeum vulgare subsp. vulgare
Expression system: Escherichia coli
UniProt:
  • Canonical: F2E0G2 (Residues: 43-968; Coverage: 96%)
Pfam: Carbohydrate phosphorylase
InterPro:
CATH: Glycogen Phosphorylase B;
Alpha-1,4 glucan phosphorylase in PDB entry 5lr8, assembly 1, front view.
Alpha-1,4 glucan phosphorylase in PDB entry 5lr8, assembly 1, side view.
Alpha-1,4 glucan phosphorylase in PDB entry 5lr8, assembly 1, top view.
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